The telephone company uses 411 for what is now called Directory Assistance. There is also long distance Directory Assistance at (area code) 555-1212. There used to be 1-800 GOOG 411 as a Google directory assistance, but it was discontinued.

There is no free reverse look up. You will only waste your time but still you will end up prompted to pay a fee. What you should do is to find out which site offers more affordable rate for a search. With that in mind, you will realize that http://www.phonereversesearch.org/ is one useful site.

You can find information about this on the web. There are many reverse phone look up sites that can help you. Here's an example site http://phoneinfolookup.net . This kind of sites can help you identify caller's information including the location and name.